Polita, Held., 1837. 
P. Draparnaudi, Beck. 
P. alliaria, Midd. 
P. glabra, Studer. 
P. nitidula, Drap. 
P. pura, Alder. 
P. radiatula, Alder. 
Zonitvoides, Lehman, 1864. 
Z. excavata, Bean, 
Z. nitida, Mull, 
Conulus, Fitzinger, 1833. 
C. fulvus, Maid, 
Helicide. 
M. Pilsbry has very recently in the “Manual of Conchology ” 
published such an exhaustive anatomical and conchological study of 
the forms grouped under the genus Helix, that a list of the species 
according to his classification may be of service. If it is preferred the 
last four genera may be placed as sections of Helix, 
Punctum, Morse, 1864. 
(type, P. minutissimum, Lea = P. pygmaeum, var.) 
P. pygmaeum, Drap. 
Pyramidula, Fitzinger, 1833. 
(type) P. rupestris, Drap. 
P. rotundata, Mull. 
Heliomanes (Fér.), Mogquin-Tandon, 1855. 
(typical example) H. virgata, Drap. 
Helicella (Fér.), Risso, 1826. 
(example) H. ericetorum, Midd. 
Candidula, Kobelé, 1871. 
(type H. candidula, Studer.) 
C. caperata, Mont, 
Cochicella (Fér.), Risso, 1826, 
(typical example) C, barbara, L. (= acuta, Drap.) 
